Reviewed-by: Ray Ni <ray...@intel.com> > -----Original Message----- > From: Liu, Zhiguang <zhiguang....@intel.com> > Sent: Thursday, March 2, 2023 9:27 AM > To: devel@edk2.groups.io > Cc: Liu, Zhiguang <zhiguang....@intel.com>; Dong, Eric > <eric.d...@intel.com>; Ni, Ray <ray...@intel.com>; Kumar, Rahul R > <rahul.r.ku...@intel.com>; Gerd Hoffmann <kra...@redhat.com> > Subject: [PATCH] UefiCpuPkg: Calculate DisplayFamily correctly > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4238 > > Per SDM, DisplayFamily = Extended_Family_ID + Family_ID. > Correct the related code. > > Cc: Eric Dong <eric.d...@intel.com> > Cc: Ray Ni <ray...@intel.com> > Cc: Rahul Kumar <rahul1.ku...@intel.com> > Cc: Gerd Hoffmann <kra...@redhat.com> > Signed-off-by: Zhiguang Liu <zhiguang....@intel.com> > --- > UefiCpuPkg/Application/Cpuid/Cpuid.c | 4 ++-- > .../Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c | 4 ++-- > 2 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/UefiCpuPkg/Application/Cpuid/Cpuid.c > b/UefiCpuPkg/Application/Cpuid/Cpuid.c > index 372c6ef87d..51c463fb10 100644 > --- a/UefiCpuPkg/Application/Cpuid/Cpuid.c > +++ b/UefiCpuPkg/Application/Cpuid/Cpuid.c > @@ -1,7 +1,7 @@ > /** @file > UEFI Application to display CPUID leaf information. > > - Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR> > + Copyright (c) 2016 - 2023, Intel Corporation. All rights reserved.<BR> > SPDX-License-Identifier: BSD-2-Clause-Patent > > **/ > @@ -217,7 +217,7 @@ CpuidVersionInfo ( > > DisplayFamily = Eax.Bits.FamilyId; > if (Eax.Bits.FamilyId == 0x0F) { > - DisplayFamily |= (Eax.Bits.ExtendedFamilyId << 4); > + DisplayFamily += Eax.Bits.ExtendedFamilyId; > } > > DisplayModel = Eax.Bits.Model; > diff --git > a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c > b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c > index a8e4f920fc..25b8958252 100644 > --- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c > +++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c > @@ -1,7 +1,7 @@ > /** @file > CPU Features Initialize functions. > > - Copyright (c) 2017 - 2021, Intel Corporation. All rights reserved.<BR> > + Copyright (c) 2017 - 2023, Intel Corporation. All rights reserved.<BR> > SPDX-License-Identifier: BSD-2-Clause-Patent > > **/ > @@ -67,7 +67,7 @@ FillProcessorInfo ( > > DisplayedFamily = Eax.Bits.FamilyId; > if (Eax.Bits.FamilyId == 0x0F) { > - DisplayedFamily |= (Eax.Bits.ExtendedFamilyId << 4); > + DisplayedFamily += Eax.Bits.ExtendedFamilyId; > } > > DisplayedModel = Eax.Bits.Model; > -- > 2.31.1.windows.1
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